Mai Hirohara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Substrate for liquid ejection head and liquid ejection head
- Patent number 11,912,028
- Issue date Feb 27, 2024
- Canon Kabushiki Kaisha
- Mai Hirohara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head substrate and liquid ejection head
- Patent number 11,833,817
- Issue date Dec 5, 2023
- Canon Kabushiki Kaisha
- Seiko Minami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head circuit board and liquid ejection head
- Patent number 11,760,090
- Issue date Sep 19, 2023
- Canon Kabushiki Kaisha
- Kenji Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
SUBSTRATE FOR LIQUID EJECTION HEAD AND LIQUID EJECTION HEAD
- Publication number 20220153023
- Publication date May 19, 2022
- Canon Kabushiki Kaisha
- Mai Hirohara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD SUBSTRATE AND LIQUID EJECTION HEAD
- Publication number 20220153026
- Publication date May 19, 2022
- Canon Kabushiki Kaisha
- Seiko Minami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD CIRCUIT BOARD AND LIQUID EJECTION HEAD
- Publication number 20220153027
- Publication date May 19, 2022
- Canon Kabushiki Kaisha
- Kenji Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS